Patents by Inventor Jeffrey R. Clampitt

Jeffrey R. Clampitt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for coating adhesive onto a core
    Patent number: 5695559
    Abstract: An abrasive flap brush including a central core, a layer of adhesive disposed on the peripheral surface of the core by a coater, and a plurality of abrasive flaps adhered to the core by the adhesive. The adhesive is uniformly distributed around the core by providing either the core or the adhesive coater with spacing projections that maintain a predetermined minimum distance between the coater and the core when the adhesive is applied. A coater including the spacing projections is also disclosed, as is a method for making an abrasive flap brush.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: December 9, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jeanne M. Carr, Jeffrey R. Clampitt, Dean R. Zimmerman
  • Core having an outer surface for receiving adhesive
    Patent number: 5674121
    Abstract: An abrasive flap brush including a central core, a layer of adhesive disposed on the peripheral surface of the core by a coater, and a plurality of abrasive flaps adhered to the core by the adhesive. The adhesive is uniformly distributed around the core by providing either the core or the adhesive coater with spacing projections that maintain a predetermined minimum distance between the coater and the core when the adhesive is applied. A coater including the spacing projections is also disclosed, as is a method for making an abrasive flap brush.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: October 7, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jeanne M. Carr, Jeffrey R. Clampitt, Dean R. Zimmerman
  • Abrasive flap brush and method and apparatus for making same
    Patent number: 5554068
    Abstract: An abrasive flap brush including a central core, a layer of adhesive disposed on the peripheral surface of the core by a coater, and a plurality of abrasive flaps adhered to the core by the adhesive. The adhesive is uniformly distributed around the core by providing either the core or the adhesive coater with spacing projections that maintain a predetermined minimum distance between the coater and the core when the adhesive is applied. A coater including the spacing projections is also disclosed, as is a method for making an abrasive flap brush.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: September 10, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Jeanne M. Carr, Jeffrey R. Clampitt, Dean R. Zimmerman